Qimei (七美鄉) is located at 23°12′29″N 119°25′43″E / 23.20806°N 119.42861°E / 23.20806; 119.42861, about 29 nautical miles (54 km) from Makung, 48 nautical miles (89 km) west of Tainan and 58 nautical miles (107 km) north of Kaohsiung, Taiwan. The unhabitated Mao Yu and Cao Yu west of Qimei are also under its governance. Qimei is 6.99 square km in area with a coastline of 14.4 kilometers and with about 3,214 people. Composed mostly of basalt formations, Qimei ranks the fifth largest island in the Penghu Archipelago.